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1 <br /> Sparger <br /> Analytical Laboratory Division <br /> 111, echno y inc Mobile Laboratory Dn►Islon <br /> Scientrfic Division <br /> With Automohon in Mind <br /> 1 <br /> 1 8020 Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> BTEX Analysis Report <br /> �ttentlon Mr Jeff Rothgery Date Sampled Mar 19, 1996 <br /> Apex Envirotech, Inc Date Received Mar 21, 1996 <br /> 7844 Madison Ave , Suite 106 Date Requested Apr 17, 1996 <br /> 1 Fair Oaks, CA 95628 Date Analyzed Apr 17, 1996 <br /> Invoice# 6412a <br /> Project ID ERA02 009 Project Name Moore Petroleum <br /> (Client ID BATCH MS/MSD LAB ID 6514-004MS <br /> 6514-004MSD <br /> (Matrix Water Dilution <br /> Conc Sample MS MSD MS % MSD % % RPD <br /> Name Spike Added Result Result Result Units Recovery Recovery Recovery <br /> Benzene 30 ppb ND 26 26 ug1L 87% 87% 0% <br /> 1 Toluene 30 ppb ND 28 28 ug/L 93% 93% 0% <br /> Ethylbenzene 30 ppb ND 29 29 ug/L 97% 97% 0% <br /> 1 Xylenes 30 ppb ND 31 30 ug/L 103% 100% 3% <br /> Surrogate % Recovery of Tnfluorotoluene= 91% MS 94% MSD <br /> 'ppb=parts per billion s uglL=micrograms per liter <br /> ppm-parts per million-uglmt=mxrograms per milliliter <br /> NO a Nat Detected Compound(s)may be present at concentrations below the detection limit <br /> 1 <br /> Apr 22, 1996 <br /> R L James Principal Chemist Date <br /> SPARGER TECHNOLOGY ANALYTICAL LABORATORY INC IS CERTIFSED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (Cerr-fcation No 1514) <br /> 1 8020MSW xLS <br /> (916) 362-8917 4 FAX (996) 362-0947 <br />